Ceiling fan



FIG. 1 is a bottom perspective view of a ceiling fan, showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a rear view thereof.

Portions of the ceiling fan shown in broken lines form no part of the claimed design. The ceiling fan blades are shown with a symbolic break in their length. The appearance of any portion of the ceiling fan blades between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a ceiling fan, as shown and described. 